Home / 21,155,874.36-31,733,228.34-14,223,492.60

Finding the Fourth Proportional to 21,155,874.36, 31,733,228.34 and 14,223,492.60

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Solution

The fourth proportional to 21,155,874.36, 31,733,228.34 and 14,223,492.60 is: 21,334,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,155,874.36 : 31,733,228.34 = 14,223,492.60 : x
  2. Step 2: Convert to fraction form
    21,155,874.36/31,733,228.34 = 14,223,492.60/x
  3. Step 3: Cross multiply
    21,155,874.36x = 31,733,228.34 × 14,223,492.60
  4. Step 4: Simplify right side
    21,155,874.36x = 451,357,338,468,100.25
  5. Step 5: Solve for x
    x = 451,357,338,468,100.25/21,155,874.36
  6. Step 6: Final answer
    x = 21,334,846.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.